Automatic centering device of automobile part stamping die
By introducing a positioning component into the stamping die for automotive parts, and utilizing the combination of torsion springs and guide plates, the problem of reduced guiding accuracy caused by guide block wear was solved, achieving stable guiding and precise positioning of the metal sheet and reducing maintenance costs.
Patent Information
- Application Number
- CN202423251872.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The guide block or floating block is in close contact with the edge of the metal sheet, which hinders the forward movement of the metal sheet and is prone to wear, resulting in reduced guiding and centering accuracy.
The positioning components include a fixed plate, a fixed rod, a torsion spring, and a guide plate. The upper template descends and pushes the metal plate to contact the guide plate. The torsion spring's resetting action is used to guide and center the metal plate.
It improves the stability and guiding accuracy of the metal plate movement, reduces the wear of the guide block, and lowers maintenance costs.
Smart Images
Figure CN223801336U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile parts punch press die technical field, concretely is a kind of automatic centering device of automobile parts punch press die. BACKGROUND
[0002] Punch press die is a kind of special process equipment that is processed (pressed) into parts (finished product or semi-finished product) by material (metal or non-metal), and the efficiency is high when mass production, which greatly reduces the production and processing cost of workpiece. When stamping processing is carried out on automobile cover parts, the metal plate to be processed needs to be centered and placed on the die, which requires positioning and centering device. Metal plate is a common stamping raw material, in order to improve production efficiency, metal plate is usually intermittently introduced into punch press die for stamping and feeding. After the mold is opened, the metal plate raw material needs to be moved forward to the next station. In order to improve the moving stability of the metal plate, a guide block or a floating block can be installed on the lower die to avoid the deflection of the metal plate.
[0003] In actual production process, in order to avoid the deflection of the metal plate and improve the stamping precision, the guide block or the floating block is in close contact with the edge of the metal sheet, and the friction between the metal sheet and the guide block or the floating block is large when the metal sheet moves forward, which not only hinders the forward driving of the metal plate, but also easily causes the wear of the guide block or the floating block, so that the guiding and centering precision is lost, and the maintenance cost is increased. Therefore, we propose an automatic centering device for automobile parts punch press die to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an automatic centering device for automobile parts punch press die to solve the problem that the guide block or the floating block is in close contact with the edge of the metal sheet, which not only hinders the forward driving of the metal plate, but also easily causes the wear of the guide block or the floating block, so that the guiding and centering precision is lost.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: an automatic centering device for automobile parts punch press die, comprising a lower die fixing assembly and an upper die fixing assembly, the upper end of the lower die fixing assembly is fixedly installed with a lower die seat, the outer side of the lower die seat is installed with a lower die joint, the upper end of the lower die seat is connected with a lower die plate, the inner side of the lower die joint is connected with a first connecting pipe, the first connecting pipe is communicated with a first connecting hole in the lower die plate, the upper end of the lower die fixing assembly is provided with an upper die fixing assembly, the bottom of the upper die fixing assembly is fixedly installed with an upper die seat, the outer side of the upper die seat is installed with an upper die joint, the lower end of the upper die seat is connected with an upper die plate, the inner side of the upper die joint is connected with a second connecting pipe, the upper die plate is provided with a second connecting hole, and the other end of the second connecting pipe is communicated with the second connecting hole, and the lower die seat is provided with a positioning assembly.
[0006] Preferably, the positioning assembly comprises fixing plates, fixing rods, torsion springs and guide plates, four groups of the fixing plates are symmetrically installed on the side edges of the lower mold plate, the fixing rods are fixedly connected in the fixing plates, the torsion springs are sleeved on the outer surfaces of the fixing rods, the guide plates are rotatably connected in the fixing plates and are L-shaped, one end of the torsion spring abuts against the fixing plate, and the other end of the torsion spring abuts against the guide plate.
[0007] Preferably, the upper mold fixing assembly is provided with a stamping assembly, the stamping assembly comprises first air cylinders and first connecting blocks, two groups of the first air cylinders are symmetrically installed in the upper mold base, the first connecting blocks are fixedly connected to the lower ends of the first air cylinders, and the upper mold plate is connected to the lower ends of the first connecting blocks.
[0008] Preferably, the lower mold base is provided with an ejection assembly, the ejection assembly comprises third air cylinders and third connecting blocks, two groups of the third air cylinders are symmetrically installed in the lower mold base, the third connecting blocks are fixedly connected to the upper ends of the third air cylinders, and the clamping grooves matched with the third connecting blocks are formed in the lower mold plate.
[0009] Preferably, two groups of the second air cylinders are symmetrically installed on the upper side of the upper mold plate in the upper mold base, the second connecting blocks are fixedly connected to the lower ends of the second air cylinders, and the clamping grooves matched with the second connecting blocks are formed in the lower mold plate.
[0010] Preferably, four groups of the positioning plates are fixedly connected to the four corners of the upper mold base, four groups of the positioning grooves are formed in the four corners of the lower mold base, and the diameters of the positioning grooves are matched with the positioning plates.
[0011] Preferably, the lifting rings are equally installed on the outer surfaces of the lower mold base and the upper mold base, and the lifting rings are circular.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The utility model discloses a positioning assembly is arranged, and when the upper mold plate is lowered, the metal plate is contacted, the metal plate is pushed, the metal plate is contacted with the end of the guide plate, the L-shaped guide plate of both sides is guided to the metal plate, the metal plate is moved synchronously and is centered to the metal plate, along with the lowering of the upper mold plate, the guide plate is extruded to the torsion spring, when the guide plate is rotated to the fixing plate, the guide plate is restored to the original position under the action of the torsion spring, and the metal plate is fixed and is pushed to the center at the same time. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0015] Figure 1 The structure of the present application is shown in the front view.
[0016] Figure 2 The structure of the present application is shown in the front view.
[0017] Figure 3 The structure of the present application is shown in the front view.
[0018] Figure 4 The structure of the present application is shown in the front view.
[0019] Figure 5 The structure of the present application is shown in the front view.
[0020] Figure 6 The structure of the present application is shown in the front view.
[0021] Figure 7 The structure of the present application is shown in the front view. Figure 6 The structure of the present application is shown in the front view.
[0022] In the figure: 1, lower die fixing assembly; 11, lower die seat; 12, lower die joint; 13, lower die plate; 14, first connecting pipe; 15, first connecting hole; 2, upper die fixing assembly; 21, upper die seat; 22, upper die joint; 23, upper die plate; 24, second connecting pipe; 25, second connecting hole; 3, stamping assembly; 31, first air cylinder; 32, first connecting block; 33, second air cylinder; 34, second connecting block; 4, ejection assembly; 41, third air cylinder; 42, third connecting block; 5, positioning assembly; 51, fixed plate; 52, fixed rod; 53, torsion spring; 54, guide plate; 6, positioning plate; 7, positioning groove; 8, lifting ring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0024] Please refer toFigures 1-7 The utility model provides an embodiment: an automatic centering device of automobile parts punch press die, including lower mould fixed component 1 and upper die fixed component 2, the upper end fixed mounting of lower mould fixed component 1 has lower die seat 11, the outside installation of lower die seat 11 has lower die joint 12, the upper end of lower die seat 11 is connected with lower die plate 13, the inside of lower die joint 12 is connected with first connecting pipe 14, and the first connecting pipe 14 is connected with first connecting hole 15 in another end, and the upper end of lower mould fixed component 1 is provided with upper die fixed component 2, and the bottom fixed mounting of upper die fixed component 2 has upper die seat 21, and the outside installation of upper die seat 21 has upper die joint 22, and the lower end of upper die seat 21 is connected with upper die plate 23, and the inside of upper die joint 22 is connected with second connecting pipe 24, and the second connecting pipe 24 is connected with second connecting hole 25 in another end, and the inside positioning assembly 5 of lower die seat 11 is provided with,
[0025] The device solves the problem of close contact between the guide block or floating block and the edge of the metal sheet, which hinders the forward movement of the metal sheet and causes wear of the guide block or floating block, thereby losing the precision of guidance and centering.
[0026] Further, the positioning assembly 5 includes a fixed plate 51, a fixed rod 52, a torsion spring 53, and a guide plate 54. Four groups of fixed plates 51 are symmetrically installed on the side edges of the lower die plate 13. The fixed plates 51 are fixedly connected with the fixed rods 52. The outer surfaces of the fixed rods 52 are sleeved with the torsion springs 53. The guide plates 54 are rotatably connected with the fixed plates 51 and are L-shaped. One end of the torsion spring 53 abuts against the fixed plate 51, and the other end of the torsion spring 53 abuts against the guide plate 54. Figure 7 As shown in the figure, this structure is used to push the metal sheet to move by lowering the upper die plate 23. When the metal sheet moves downward, it contacts the end of the guide plate 54. The four groups of guide plates 54 guide the metal sheet and center the metal sheet at the same time. As the upper die plate 23 drives the metal sheet to descend, the torsion spring 53 is extruded and deformed, causing the guide plate 54 to rotate into the fixed plate 51. When the upper die plate 23 contacts the lower die plate 13, the guide plate 54 is restored to its original position under the restoring force of the torsion spring 53, and the guide plate 54 limits the metal sheet at the same time, centering the metal sheet.
[0027] Further, the upper die fixed component 2 is provided with a punch assembly 3. The punch assembly 3 includes a first air cylinder 31 and a first connecting block 32. Two groups of first air cylinders 31 are symmetrically installed in the upper die seat 21. The lower ends of the first air cylinders 31 are fixedly connected with the first connecting blocks 32. The lower ends of the first connecting blocks 32 are connected with the upper die plate 23. Figure 5As shown, the structure is used to drive the first connecting block 32 to move by starting the first cylinder 31, push the upper die plate 23 to descend, make the upper die plate 23 fit with the lower die plate 13, and stamping.
[0028] Further, the lower die base 11 is provided with an ejection assembly 4, the ejection assembly 4 comprises a third cylinder 41 and a third connecting block 42, the lower die base 11 is symmetrically provided with two groups of third cylinders 41, the upper end of the third cylinder 41 is fixedly connected with the third connecting block 42, and the lower die plate 13 is provided with a clamping groove matched with the third connecting block 42. Figure 6 As shown, the structure is used to make the metal plate in the lower die plate 13 move upward after the stamping is completed, and make the metal plate separate from the surface of the lower die plate 13 by starting the third cylinder 41 and driving the third connecting block 42 to pass through the lower die plate 13 to rise.
[0029] Further, the upper die base 21 is symmetrically provided with two groups of second cylinders 33 at the upper side of the upper die plate 23, the lower end of the second cylinder 33 is fixedly connected with the second connecting block 34, and the lower die plate 13 is provided with a clamping groove matched with the second connecting block 34. Figure 5 As shown, the structure is used to avoid the metal plate from being clamped in the upper die plate 23 by starting the second cylinder 33 to drive the second connecting block 34 to pass through the upper die plate 23 to push the metal plate rubber after the stamping is completed.
[0030] Further, the upper die base 21 is fixedly connected with four groups of positioning plates 6 at the four corners, the lower die base 11 is provided with four groups of positioning grooves 7 at the four corners, and the diameter of the positioning groove 7 is matched with the positioning plate 6. Figure 1 As shown, the structure is used to drive the four groups of positioning plates 6 to move along the positioning groove 7 when the upper die plate 23 moves, and enhance the stability of the device.
[0031] Further, the outer surfaces of the lower die base 11 and the upper die base 21 are equally provided with lifting rings 8, and the lifting ring 8 is circular. Figure 2 As shown, the structure is used to facilitate the transportation and transfer of the device through the lifting ring 8.
[0032] Working principle: when in use, as shown, Figure 1 As shown, place the material on the surface of the lower die plate 13, as shown, Figure 5 As shown, start the first cylinder 31 to drive the first connecting block 32 to move, push the upper die plate 23 to descend, make the upper die plate 23 fit with the lower die plate 13, and stamping, as shown, Figure 2 and Figure 7As shown, the metal plate is pushed to move by the descending of the upper die plate 23, and the metal plate contacts with the end of the guide plate 54 when moving downward, the metal plate is guided and centered by the four groups of guide plates 54, and the torsion spring 53 is extruded to deform when the metal plate is driven to descend by the upper die plate 23, so that the guide plate 54 rotates to the fixed plate 51, and when the upper die plate 23 contacts with the lower die plate 13, the guide plate 54 is restored to the original position by the restoring action of the torsion spring 53, and the metal plate is limited to center the metal plate, as shown in Figure 5 and Figure 6 As shown, after stamping, the upper die plate 23 is lifted, the third cylinder 41 is started again, the third connecting block 42 is driven to ascend through the lower die plate 13, the metal plate in the lower die plate 13 is pushed upward, the metal plate is separated from the surface of the lower die plate 13, and the second cylinder 33 is started to drive the second connecting block 34 to push the rubber of the metal plate through the upper die plate 23, so that the metal plate is prevented from being stuck in the upper die plate 23, and the above is the whole working principle of the utility model.
[0033] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.
Claims
1. An automatic centering device for a stamping die of an automotive part, comprising a lower die fixing assembly (1) and an upper die fixing assembly (2), characterized in that: The upper end of the lower mold fixing assembly (1) is fixedly installed with a lower mold base (11), the outer side of the lower mold base (11) is installed with a lower mold joint (12), the upper end of the lower mold base (11) is connected with a lower mold plate (13), the inner side of the lower mold joint (12) is connected with a first connecting pipe (14), a first connecting hole (15) is formed in the lower mold plate (13), the other end of the first connecting pipe (14) is communicated with the first connecting hole (15), the upper end of the lower mold fixing assembly (1) is provided with an upper mold fixing assembly (2), the bottom of the upper mold fixing assembly (2) is fixedly installed with an upper mold base (21), the outer side of the upper mold base (21) is installed with an upper mold joint (22), the lower end of the upper mold base (21) is connected with an upper mold plate (23), the inner side of the upper mold joint (22) is connected with a second connecting pipe (24), a second connecting hole (25) is formed in the upper mold plate (23), the other end of the second connecting pipe (24) is communicated with the second connecting hole (25), and the lower mold base (11) is provided with a positioning assembly (5).
2. The automatic centering device of an automobile part stamping die according to claim 1, characterized in that: The positioning assembly (5) comprises a fixed plate (51), a fixed rod (52), a torsion spring (53) and a guide plate (54), four groups of fixed plates (51) are symmetrically installed on the side edges of the lower mold plate (13), the fixed rods (52) are fixedly connected in the fixed plates (51), the torsion springs (53) are sleeved on the outer surfaces of the fixed rods (52), the guide plates (54) are rotatably connected in the fixed plates (51) and are L-shaped, one end of the torsion spring (53) abuts against the fixed plate (51), and the other end of the torsion spring (53) abuts against the guide plate (54).
3. The automatic centering device of an automobile part stamping die according to claim 1, characterized in that: The upper mold fixing assembly (2) is provided with a punching assembly (3), the punching assembly (3) comprises a first air cylinder (31) and a first connecting block (32), two groups of first air cylinders (31) are symmetrically installed in the upper mold base (21), the first connecting blocks (32) are fixedly connected to the lower ends of the first air cylinders (31), and the upper mold plate (23) is connected to the lower ends of the first connecting blocks (32).
4. The automatic centering device of an automobile part stamping die according to claim 1, characterized in that: The lower mold base (11) is provided with an ejection assembly (4), the ejection assembly (4) comprises a third air cylinder (41) and a third connecting block (42), two groups of third air cylinders (41) are symmetrically installed in the lower mold base (11), the third connecting blocks (42) are fixedly connected to the upper ends of the third air cylinders (41), and the lower mold plate (13) is provided with clamping grooves matched with the third connecting blocks (42).
5. The automatic centering device for a stamping die of an automobile part according to claim 1, characterized in that: Two groups of second air cylinders (33) are symmetrically installed on the upper side of the upper mold plate (23) in the upper mold base (21), the second connecting blocks (34) are fixedly connected to the lower ends of the second air cylinders (33), and the lower mold plate (13) is provided with clamping grooves matched with the second connecting blocks (34).
6. The automatic centering device of an automobile part stamping die according to claim 1, characterized in that: Four groups of positioning plates (6) are fixedly connected to the four corners of the upper mold base (21), four groups of positioning grooves (7) are formed in the four corners of the lower mold base (11), and the diameters of the positioning grooves (7) are matched with the positioning plates (6).
7. The automatic centering device of an automobile part stamping die according to claim 1, characterized in that: The outer surface of the lower die seat (11) and the upper die seat (21) are both installed with a lifting ring (8) at equal distance, and the lifting ring (8) is circular.